Hypertext Webster Gateway: "unbar"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Unbar \Un*bar"\, v. t. [1st pref. un- + bar.]
To remove a bar or bars from; to unbolt; to open; as, to
unbar a gate. --Heber.
From WordNet (r) 1.7 (wn)
unbar
v : remove a bar from (a door, for example) [ant: {bar}]
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